I noticed at the bottom of the roadmap page on the main site that “mobile device integration” is something being looked into. I don’t know if this counts necessarily (plus I have concerns about privacy, though I’ve never researched them) but I wanted to bring attention to PushBullet, or at least in this case the PushBullet indicator more specifically. I had been using this for a bit but I stopped because I didn’t want to have to keep Firefox open for it. Now that I see they have an indicator and a Nautilus extension I will probably visit it again. I haven’t looked into their license or how the actual transfer protocol works (whether a private server can be run) but it might be a way…
http://www.webupd8.org/2014/07/pushbullet-indicator-gets-android.html